Modifiers matching flow:

• optic,
• ecological,
• standard,
• geophysical,
• fluid,
• geometric,
• turbulent,
• hot,
• environmental,
• biological,
• gaseous,
• spatial,
• long,
• hydrodynamic,
• granular,
• difficult,
• residual,
• complex,
• volcanic,
• multiphase,
• complicated,
• gravitational,
• real,
• elementary,
• demographic,
• simultaneous,
• astrophysical,
• internal,
• macroscopic,
• heated,
• common,
• natural,
• simple,
• open,
• basic,
• secondary,
• model,
• variable,
• diverse,
• pedestrian,
• violent,
• financial,
• electric,
• shared,
• industrial,

Simple categories matching astrophysical:

• plasma,
• object,
• system,
• discipline,
• flow,
• phenomenon,
• body,
• process,
• situation,
• location,
• event,
• quantity,
• medium,